Stellarium - Stellarium is a free open source planetarium for your computer.
Astronomer - Capture every user event and route them anywhere. Automatically
Space Engine - Space Engine is a realistic virtual Universe you can explore on your computer.
Hacker News Search - a faster hnsearch
Mitaka - Mitaka is software for visualizing the known Universe with up-to-date observational data and...
Stardust - Friends and fans sharing video reactions to Movies & TV.